/* 覆盖默认样式 */
html, body, #app {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

#app {
  max-width: none;
  display: block;
  grid-template-columns: none;
}

body {
  display: block;
  place-items: initial;
} 